ADuC7024 Datasheet.pdf
(
1128 KB
)
Pobierz
724459524 UNPDF
BAVAY
optomechanics
ADuCVariation
Features
ˆ
AnalogI/O
Multichannel,12-bit,1MSPSADC
10ADCchannels
Fullydi
erentialandsingle-endedmodes
0VtoV
REF
analoginputrange
12-bitvoltageoutputDACs
2DACoutputsavailable
On-chipvoltagereference
On-chiptemperaturesensor(–3
‰
)
Voltagecomparator
ˆ
Microcontroller
ARM7TDMIcore,16-bit/32-bitRISCarchitecture
JTAGportsupportscodedownloadanddebug
ˆ
Clockingoptions
Trimmedon-chiposcillator(–3
‰
)
Externalwatchcrystal
Externalclocksourceupto44MHz
41.78MHzPLLwithprogrammabledivider
Pincon
guration
Microcontrolleroutletsareexposedtouserinterfacesby
standardDIP48layout.
ˆ
Memory
62kB
ash/EEmemory,8kBSRAM
In-circuitdownload,JTAG-baseddebug
P1.0/T1/SPM0/PLAI[0]
2
4
6
7
9
1
11
12
13
14
15
16
1
18
1
20
21
22
2
24
USB
4
48
GND
P1.6/SPM6/PLAI[6]
P1.2/SPM2/PLAI[2]
P1.3/SPM3/PLAI[3]
P1.4/SPM4/PLAI[4]/IRQ2
P1.5/SPM5/PLAI[5]/IRQ3
P4.1/PLAO[9]
P4.0/PLAO[8]
P4.2/PLAO[10]
4
46
P4.3/PLAO[11]
ˆ
On-chipperipherals
UART,2
I
2
C
®
andSPI
®
serialI/O
31-pinGPIOport
2
general-purposetimers
Wake-upandwatchdogtimers(WDT)
Powersupplymonitor
3-phase,16-bitPWMgenerator
Programmablelogicarray(PLA)
P4.4/PLAO[12]
4
44
DACREF
42
AVDD
4
41
ADC0
P3.7/PWMSYNC/PLAI[15]
ADC1
3
39
P3.6/PWMTRIP/PLAI[14]
ADC2/CMP0
P0.7/ECLK/XCLK/SPM8/PLAO[4]
ADC3/CMP1
ADuC
7024
3
37
P2.0/SPM9/PLAO[5]/CONVSTART
ADC4
ADC5
ADC8
ADC9
AGND
ADCNEG
DAC0/ADC12
DAC1/ADC13
P4.6/PLAO[14]
P4.7/PLAO[15]
BM/P0.0/CMPOUT/PLAI[7]
P0.6/T1/MRST/PLAO[3]
IRQ1/P0.5/ADCBUSY/PLAO[2]
35
IRQ0/P0.4/PWMTRIP/PLAO[1]
3
34
P3.5/PWM2L/PLAI[13]
P3.4/PWM2H/PLAI[12]
3
32
RST
P0.3/TRST/ADCBUSY
2
30
P3.3/PWM1L/PLAI[11]
P3.2/PWM1H/PLAI[10]
28
P3.1/PWM0L/PLAI[9]
2
27
P3.0/PWM0H/PLAI[8]
P1.7/SPM7/PLAO[0]
VCC
ˆ
USBRS232bidirectionalconverter
EasyPCcommunication
25
ˆ
Power
Microcontrollerspeci
edfor3Voperation
Activemode:11mA@5MHz,
40mA@41.78MHz
3.3V/800mAvoltageragulatorbuilt-in
SupplyfromUSBportupto500mA
Powersupply
Therearetwopowersuppliesavilable:
ˆ
CodedownloaderIn-circuitserialdownloader
USBcodedownload
ˆ
J1closed-microcontrollerpoweredfromUSBport
by3.3Vbuilt-inLDOregulator.The3.3Vsup-
plyvoltageisavailableforuserdevicesbyVccpin.
MaximumoutputcurrentavailableviaVccpinis
400mA.
ˆ
Packagesandtemperaturerange
DIL48pinouts
Fullyspeci
edfor
40
‰
to+125
‰
operation
ˆ
APPLICATIONS
Industrialcontrolandautomationsystems
Smartsensors,precisioninstrumentation
Basestationsystems,opticalnetworking
ˆ
J1open-microcontrollerpoweredexternallyby
Vccpin.Thepowersupplyshouldbe3.3-3.6Vwith
maximum50mVat50kHzinstability(seeAnalog
DevicesADuC7024Datasheet,page.84).
Copyright'2008,MateuszBawaj
1
P1.1/SPM1/PLAI[1]
P4.5/PLAO[13]
ADuCVariation
BAVAY
optomechanics
Analoginputssetup
Troubleshooting
Codedownload
Icannotselectportnumberinarmswdprogram
1.Checkonceagainwhetherportnumberinarmswd
con
gurationdialogisthesameasinthedevice
manager.
1.ConnecttheADuCVariationboardtoyourPC
bysuppliedmini-USBcable.AnewRS232-USB
convertershouldbedetectedandnewcommunica-
tionserialportindevicemanagershouldappear.
PleasenotetheCOMnumberasitwillbeneeded
forproperapplicationcon
guration.
Usingosciloscopecheckifthepowersupplyisstable.If
oscillationsareaboveallowablelimittryaddingabigger
capacitororachokecoiltoyourpowersupply.
2.Launchthearmswdprogram. Incommtabse-
lecttheportnumberandbaudrate=115200.Click
Con
gurebutton.In
ashtabuncheckmasserase.
ThenPragram,VerifyandProtect
eldsshouldap-
pear-selectPragramtodownloadyourprogramto
themicrocontrollerandVerifytocomparedown-
loadedprogramwiththeoriginal
leonthecom-
puter.ClickOK.
DACorADCdoesn’twork
1.Noticethatpin8AVDDisnotconnectedtopower
supplybydesign.YoucanconnectAVDDpinto
VCCpin.Thisisnotrecommendedbecauseof
probabilityhighnoiselevel.Youwill
ndmorein-
formationaboutcorrectanalogpartsupplyinAna-
logDevicesADuC7024datasheet.
3.Inmainwindowclickbrowseandselecthex
lefor
programming.Clickstartandlaunchthemicro-
controllerinbootmode. IfeverythingwentOK
FlashingCompletedialogshouldappear.
4.ClickRuntostarttheprogram.
MoreaboutdownloadingcodeinAnalogDevicesAppli-
cationNoteAN-724.
Masserasing
1.Toerasewholememoryinthemicrocontrollercon-
necttheADuCVariationboardtoyourPC.A
newRS232-USBconvertershouldbedetectedand
newcommunicationserialportindevicemanager
shouldappear.PleasenotetheCOMnumberasit
willbeneededforproperapplicationcon
guration.
2.Launchthearmswdprogram.Incommtabselect
theportnumberandbaudrate=11500.In
ashtab
checkmasserase.ClickOK.
3.Inmainwindowclickstartandlaunchthemi-
crocontrollerinbootmode.IfeverythingwentOK
FlashingCompletedialogshouldappear.
4.ClickRuntorestartthemicrocontroller.
Launchingbootmode
1.ConnecttheADuCVariationboardtoyourPC.
2.WhileandholdingtheBMswitchpressthereset
once.
2
Copyright'2008,MateuszBawaj
BAVAY
optomechanics
ADuCVariation
APPENDIXA
Copyright'2008,MateuszBawaj
3
Plik z chomika:
matib12
Inne pliki z tego folderu:
ADuC7024 Datasheet.pdf
(1128 KB)
Inne foldery tego chomika:
Dokumenty
Galeria
Prywatne
Zgłoś jeśli
naruszono regulamin